Updated git submodules

Project: so master 568e98f6835b22e45c2e217da71ef9528d725c94

Fix ArrayIndexOutOfBoundsException in docker build

[ERROR] Failed to execute goal org.codehaus.groovy.maven:gmaven-plugin:1.0:execute (default)
on project docker: java.lang.ArrayIndexOutOfBoundsException: 1

Change-Id: Ia1a186ad64d251a01ed03e0e027afca903e4a49e
Issue-ID: SO-780
Signed-off-by: Rob Daugherty <rd472p@att.com>

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index cef48be..568e98f 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit cef48bebde39c5ed0b41ae81a2ca28ecab4d65f4
+Subproject commit 568e98f6835b22e45c2e217da71ef9528d725c94